[Bug rtl-optimization/57662] [4.9 Regression] ICE: SIGSEGV in code_motion_process_successors with -fschedule-insns2 -fselective-scheduling2

[abel at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57662

--- Comment #7 from Andrey Belevantsev <abel at gcc dot gnu.org> ---
Author: abel
Date: Mon Feb  3 12:00:23 2014
New Revision: 207421

URL: http://gcc.gnu.org/viewcvs?rev=207421&root=gcc&view=rev
Log:
gcc/
    PR rtl-optimization/57662
    * sel-sched.c (code_motion_path_driver): Do not mark already not
    existing blocks in the visiting bitmap.

testsuite/
    PR rtl-optimization/57662
    * g++.dg/pr57662.C: New test.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/sel-sched.c
    trunk/gcc/testsuite/ChangeLog